In the steady state, cardiac output equals. venous return. Factors that cause hypereffective heart. Sympathetic stimulation can increase the effectiveness of the heart via: (2) increasing the strength of heart contraction. Factors that can cause a hypoeffective heart: (1) coronary artery blockage.
Thursday, March 19, 2015 - 11:09. Ed Sheeran has added yet another amazing accolade to his collection with the news that his global smash hit sophomore album X has hit the 2 million sales mark, joining a select band of chosen superstars to hit the same achievement.
Entertainment Weekly. Music. Ed Sheeran releases new song for his birthday. Ed Sheeran turned 26 on Friday, but rather than ask fans for a gift, he decided to bestow one on them in honor of the occasion. Sheeran dropped âHow Would You Feel (Paean)â on Friday, the latest song released off his forthcoming album, Divide.